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author | Olof Johansson <olof@lixom.net> | 2013-07-12 10:59:39 -0700 |
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committer | Olof Johansson <olof@lixom.net> | 2013-07-12 10:59:39 -0700 |
commit | f4b96f5e4ff8d86699c851c10245e102809b0331 (patch) | |
tree | f766102263bed71738431cabb4d4f6f086005cd8 /fs/open.c | |
parent | 9d8812df35be58a5da0c44182c1e4ba2507cc6a7 (diff) | |
parent | c24a6ae18abde53b048372b066b93b71b1b91154 (diff) | |
download | talos-obmc-linux-f4b96f5e4ff8d86699c851c10245e102809b0331.tar.gz talos-obmc-linux-f4b96f5e4ff8d86699c851c10245e102809b0331.zip |
Merge tag 'omap-for-v3.11/fixes-for-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
Omap fixes and minor defconfig updates that would be good to
get in before -rc1.
* tag 'omap-for-v3.11/fixes-for-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP2+: omap2plus_defconfig: Enable appended DTB support
ARM: OMAP2+: Enable TI_EDMA in omap2plus_defconfig
ARM: OMAP2+: omap2plus_defconfig: enable DRA752 thermal support by default
ARM: OMAP2+: omap2plus_defconfig: enable TI bandgap driver
ARM: OMAP2+: devices: remove duplicated include from devices.c
ARM: OMAP3: igep0020: Set DSS pins in correct mux mode.
ARM: OMAP2+: N900: enable N900-specific drivers even if device tree is enabled
ARM: OMAP2+: Cocci spatch "ptr_ret.spatch"
ARM: OMAP2+: Remove obsolete Makefile line
ARM: OMAP5: Enable Cortex A15 errata 798181
ARM: scu: provide inline dummy functions when SCU is not present
ARM: OMAP4: sleep: build OMAP4 specific functions only for OMAP4
ARM: OMAP2+: timer: initialize before using oh_name
Signed-off-by: Olof Johansson <olof@lixom.net>
Add/move/change conflicts in arch/arm/mach-omap2/Kconfig resolved.
Diffstat (limited to 'fs/open.c')
-rw-r--r-- | fs/open.c | 63 |
1 files changed, 37 insertions, 26 deletions
diff --git a/fs/open.c b/fs/open.c index 8c741002f947..fca72c4d3f17 100644 --- a/fs/open.c +++ b/fs/open.c @@ -840,11 +840,15 @@ static inline int build_open_flags(int flags, umode_t mode, struct open_flags *o if (flags & __O_SYNC) flags |= O_DSYNC; - /* - * If we have O_PATH in the open flag. Then we - * cannot have anything other than the below set of flags - */ - if (flags & O_PATH) { + if (flags & O_TMPFILE) { + if (!(flags & O_CREAT)) + return -EINVAL; + acc_mode = MAY_OPEN | ACC_MODE(flags); + } else if (flags & O_PATH) { + /* + * If we have O_PATH in the open flag. Then we + * cannot have anything other than the below set of flags + */ flags &= O_DIRECTORY | O_NOFOLLOW | O_PATH; acc_mode = 0; } else { @@ -876,7 +880,8 @@ static inline int build_open_flags(int flags, umode_t mode, struct open_flags *o lookup_flags |= LOOKUP_DIRECTORY; if (!(flags & O_NOFOLLOW)) lookup_flags |= LOOKUP_FOLLOW; - return lookup_flags; + op->lookup_flags = lookup_flags; + return 0; } /** @@ -893,8 +898,8 @@ static inline int build_open_flags(int flags, umode_t mode, struct open_flags *o struct file *file_open_name(struct filename *name, int flags, umode_t mode) { struct open_flags op; - int lookup = build_open_flags(flags, mode, &op); - return do_filp_open(AT_FDCWD, name, &op, lookup); + int err = build_open_flags(flags, mode, &op); + return err ? ERR_PTR(err) : do_filp_open(AT_FDCWD, name, &op); } /** @@ -919,37 +924,43 @@ struct file *file_open_root(struct dentry *dentry, struct vfsmount *mnt, const char *filename, int flags) { struct open_flags op; - int lookup = build_open_flags(flags, 0, &op); + int err = build_open_flags(flags, 0, &op); + if (err) + return ERR_PTR(err); if (flags & O_CREAT) return ERR_PTR(-EINVAL); if (!filename && (flags & O_DIRECTORY)) if (!dentry->d_inode->i_op->lookup) return ERR_PTR(-ENOTDIR); - return do_file_open_root(dentry, mnt, filename, &op, lookup); + return do_file_open_root(dentry, mnt, filename, &op); } EXPORT_SYMBOL(file_open_root); long do_sys_open(int dfd, const char __user *filename, int flags, umode_t mode) { struct open_flags op; - int lookup = build_open_flags(flags, mode, &op); - struct filename *tmp = getname(filename); - int fd = PTR_ERR(tmp); - - if (!IS_ERR(tmp)) { - fd = get_unused_fd_flags(flags); - if (fd >= 0) { - struct file *f = do_filp_open(dfd, tmp, &op, lookup); - if (IS_ERR(f)) { - put_unused_fd(fd); - fd = PTR_ERR(f); - } else { - fsnotify_open(f); - fd_install(fd, f); - } + int fd = build_open_flags(flags, mode, &op); + struct filename *tmp; + + if (fd) + return fd; + + tmp = getname(filename); + if (IS_ERR(tmp)) + return PTR_ERR(tmp); + + fd = get_unused_fd_flags(flags); + if (fd >= 0) { + struct file *f = do_filp_open(dfd, tmp, &op); + if (IS_ERR(f)) { + put_unused_fd(fd); + fd = PTR_ERR(f); + } else { + fsnotify_open(f); + fd_install(fd, f); } - putname(tmp); } + putname(tmp); return fd; } |